As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR HIDDEN DISCREPANCY: CORROSION ON HOUSING BUSHING OF RIGHT AILERON SURFACE HINGE PCU´S LUG FITTINGS [IN REF NRC 00383 (AI).] SUMMARY BUSHINGS WERE FABRICATED AND HOUSING FITTINGS 4 EA AT RIGHT AILERON ON INB/OUTB PCU´S WERE REWORKED PER BOMBARDIER REO 670-57-61-237 REV --